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CAO GUOJI

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    83,230
About

CAO GUOJI has a total of 32 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering are TEIMUSU KK, MURA S R L and HAPS & SOHN GMBH & CO KG.

Patent filings in countries

World map showing CAO GUOJIs patent filings in countries

Patent filings per year

Chart showing CAO GUOJIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Liu Yibin 7
#2 Li Shifu 6
#3 Wang Xifeng 6
#4 Ma Zongxian 6
#5 Yi Xiaoming 6
#6 Li Shaoqiang 5
#7 Cao Guoji 4
#8 Liang Jixiong 4
#9 Xie Xiang 3
#10 Jiang Fei 2

Latest patents

Publication Filing date Title
CN104763232A Lock with novel chucks
CN104389458A Lockset capable of realizing various locking states on door leaf
CN104100147A Lock with bolt adjusting mechanism
CN103953220A Combined type handle
CN103886664A Intelligent lockset with multifunctional panel
CN103886665A Lockset based on wireless control
CN103938925A Lock with improved structure
CN103938968A Novel adjustable door hinge with improved up-down adjusting structure
CN103938967A Adjustable door hinge with improved adjusting structure
CN103850543A Novel multi-combined lock head
CN103850536A Chuck lock
CN103867034A Novel key and matched lock of novel key
CN103850535A Novel lock head
CN103835575A Lock with striking-opening-resistant clutch
CN103758403A Lockset with rapid reversing clutch
CN103758404A Lock body with improved lock tongue connecting rod
CN103790446A Lock capable of achieving unlocking at lower end of panel
CN103790435A Rapid handle reversing mechanism
CN103670019A Novel chuck type lock head and matched key
CN103628740A Lock head capable of preventing technical unlocking